# Challenge is invalid

**URL:** <https://community.letsencrypt.org/t/challenge-is-invalid/99729>\
**Category:** Help\
**Created:** [August 12, 2019, 6:32pm UTC](https://community.letsencrypt.org/t/challenge-is-invalid/99729 "2019-08-12T18:32:18Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![system](https://global.discourse-cdn.com/letsencrypt/original/3X/c/a/ca6c06ea1ea201324bba7048c6841ce60236468d.png) [@system](https://community.letsencrypt.org/u/system)\
**Post date:** [September 13, 2019, 11:12pm UTC](https://community.letsencrypt.org/t/challenge-is-invalid/99729/15 "2019-09-13T23:12:37Z")

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